improve 'Customer Auth' filter on cdrs index page

app/admin/cdr/cdrs.rb

@@ -63,7 +63,10 @@ def scoped_collection
   contractor_filter :vendor_id_eq, label: 'Vendor', path_params: { q: { vendor_eq: true } }
   account_filter :vendor_acc_id_eq, label: 'Vendor account'
 
-  filter :customer_auth, collection: proc { CustomersAuth.select(%i[id name]).reorder(:name) }, input_html: { class: 'chosen' }
+  association_ajax_filter :customer_auth_id_eq,
+                          label: 'Customer Auth',
+                          scope: -> { CustomersAuth.order(:name) },
+                          path: '/customers_auths/search'
   filter :src_prefix_routing, filters: %i[equals contains starts_with ends_with]
   filter :src_area, collection: proc { Routing::Area.select(%i[id name]) }, input_html: { class: 'chosen' }
   filter :dst_prefix_routing, filters: %i[equals contains starts_with ends_with]

app/admin/routing/customers_auths.rb

@@ -13,6 +13,7 @@
   acts_as_delayed_job_lock
 
   search_support!(search_name: :search_with_return_external_id, id_column: :external_id)
+  search_support!
 
   decorate_with CustomersAuthDecorator
 

spec/features/cdr/cdr_history/cdr_filter_spec.rb

@@ -85,4 +85,32 @@
       end
     end
   end
+
+  describe 'filter by customer auth' do
+    let(:filter_cdr_records) do
+      within_filters do
+        fill_in_chosen 'Customer Auth', with: customer_auths[0].name, ajax: true
+      end
+    end
+
+    let!(:customer_auths) { FactoryBot.create_list(:customers_auth, 3) }
+    let!(:cdrs) do
+      [
+        FactoryBot.create(:cdr, customer_auth_id: customer_auths[0].id),
+        FactoryBot.create(:cdr, customer_auth_id: customer_auths[1].id),
+        FactoryBot.create(:cdr, customer_auth_id: customer_auths[2].id)
+      ]
+    end
+
+    it 'shows filtered records with customer auth' do
+      subject
+      expect(page).to have_table
+      expect(page).to have_table_row(count: 1)
+      expect(page).to have_table_cell(column: 'Id', exact_text: cdrs[0].id.to_s)
+      expect(page).to have_table_cell(column: 'Customer Auth', exact_text: cdrs[0].customer_auth.display_name)
+      within_filters do
+        expect(page).to have_field_chosen('Customer Auth', with: customer_auths[0].display_name)
+      end
+    end
+  end
 end